7940766 has 8 divisors (see below), whose sum is σ = 15881544. Its totient is φ = 2646920.

The previous prime is 7940761. The next prime is 7940771. The reversal of 7940766 is 6670497.

It is an interprime number because it is at equal distance from previous prime (7940761) and next prime (7940771).

It is a sphenic number, since it is the product of 3 distinct primes.

7940766 is an admirable number.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7940761) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 661725 + ... + 661736.

It is an arithmetic number, because the mean of its divisors is an integer number (1985193).

Almost surely, 2^7940766 is an apocalyptic number.

7940766 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7940766 is a wasteful number, since it uses less digits than its factorization.

7940766 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1323466.

The product of its (nonzero) digits is 63504, while the sum is 39.

The square root of 7940766 is about 2817.9364790570. The cubic root of 7940766 is about 199.5051600100.

The spelling of 7940766 in words is "seven million, nine hundred forty thousand, seven hundred sixty-six".